Door accessory and lock structure comprising same

Abstract

The utility model discloses a door accessory and a lock structure comprising the door accessory. A door fitting includes: a lock case; the driving gear is rotationally arranged on the lock shell, and the driving gear is used for being connected with a driving shaft; the first transmission part is used for being in transmission connection with a first locking block, the first transmission part is provided with a first rack and a second rack which extend in the first direction, the first rack is connected to the driving gear in a meshed mode, and the second rack synchronously moves along with the first rack; the second transmission part is used for being in transmission connection with a second locking block, and the second transmission part is provided with a third rack extending in the first direction; the third rack and the second rack are oppositely arranged and connected to the two sides of the transmission gear in a meshed mode respectively. Therefore, the door accessory is simple in overall transmission structure, small in transmission loss and high in transmission efficiency, and the stroke of the third rack and the stroke of the second rack are allowed to be increased.

Description

Technical Field

[0001] The utility model relates to the technical field of door and window hardware accessories, in particular to a door accessory and a lock structure comprising the door accessory. Background Art

[0002] With the development of modern technology and the improvement of people's living standards, the requirements for the safety and convenience of doors are getting higher and higher. Some existing lock structures are respectively provided with locking blocks on the upper and lower sides of the door body to achieve more stable locking. However, in order to achieve simultaneous control of the locking blocks on the upper and lower sides of the door body, the door accessories of the lock structure often adopt a complex transmission structure, which easily leads to problems of low transmission efficiency and small transmission stroke. Utility Model Content

[0003] In order to overcome at least one of the defects of the prior art described above, the utility model provides a door accessory and a lock structure including the door accessory, aiming to simplify the transmission structure of the door accessory and improve the transmission efficiency and transmission stroke.

[0004] The technical solution adopted by the utility model to solve the problem is:

[0005] A door accessory, comprising: a lock housing; a driving gear rotatably arranged on the lock housing, the driving gear being used to connect to a driving shaft; a first transmission member, used to be connected to a first locking block in transmission, the first transmission member being provided with a first rack and a second rack extending in a first direction, the first rack being meshedly connected to the driving gear, the second rack moving synchronously with the first rack; a second transmission member, used to be connected to a second locking block in transmission, the second transmission member being provided with a third rack extending in the first direction; a transmission gear, the third rack and the second rack being arranged opposite to each other and being meshedly connected to both sides of the transmission gear respectively.

[0006] According to some embodiments of the present invention, the outer side wall of the lock housing is provided with a mounting groove extending along the first direction, and the first rack is disposed in the mounting groove and can move relative to the mounting groove.

[0007] According to some embodiments of the present invention, the lock housing is further provided with anti-slip protrusions on both sides of the installation groove, and the two anti-slip protrusions are respectively arranged adjacent to both sides of the first rack in the thickness direction.

[0008] According to some embodiments of the present invention, the axial direction of the driving gear and the axial direction of the transmission gear are both perpendicular to the first direction, and the axial direction of the driving gear and the axial direction of the transmission gear are arranged at an angle.

[0009] According to some embodiments of the present invention, the axial direction of the driving gear and the axial direction of the transmission gear are perpendicular to each other.

[0010] According to some embodiments of the present utility model, two of the second rack, the third rack and the transmission gear are provided, and the two transmission gears are respectively located on both sides of the driving gear in the first direction.

[0011] According to some embodiments of the utility model, the first transmission member is connected to a first transmission arm, the second transmission member is connected to a second transmission arm, the lock housing is provided with a first guide groove and a second guide groove both extending along the first direction, the first transmission arm is slidably disposed in the first guide groove, and the second transmission arm is slidably disposed in the second guide groove.

[0012] According to some embodiments of the present invention, the first rack is integrally formed on a side wall of the first transmission member, and / or the second rack is integrally formed on a side wall of the first transmission member.

[0013] According to some embodiments of the present invention, the third rack is integrally formed on the side wall of the second transmission member.

[0014] According to some embodiments of the present invention, the door accessory further comprises a protective shell, which is connected to the lock housing and shields the transmission gear, the first transmission member and the second transmission member.

[0015] In addition, the utility model also provides a lock structure, including the door accessory as described above.

[0016] In summary, the door accessory and the lock structure including the door accessory provided by the present invention have at least the following technical effects:

[0017] The driving gear rotates driven by the driving shaft. Driven by the driving gear, the first rack moves along the first direction, and the second rack follows the first rack and moves synchronously along the first direction to drive the transmission gear to rotate. Driven by the transmission gear, the third rack can move in the opposite direction relative to the second rack, so that the second transmission member and the first transmission member move in the opposite direction to each other and respectively drive the two locking blocks to move. The movement of the two locking blocks can achieve unlocking or locking of the door. In this way, the overall transmission structure of the door accessory is relatively simple, the transmission loss is small, the transmission efficiency is high, and the stroke of both the third rack and the second rack is allowed to increase. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the door fittings according to an embodiment of the utility model;

[0019] Figure 2 It is a first exploded view of the door accessory of an embodiment of the utility model;

[0020] Figure 3 A second exploded view of the door accessory according to an embodiment of the present utility model;

[0021] Figure 4 This is a third exploded view of the door accessory according to an embodiment of the present utility model.

[0022] The meanings of the reference numerals are as follows:

[0023] 1. Lock housing; 11. Mounting groove; 12. Mounting cavity; 13. Anti-dropping protrusion; 14. First guide groove; 15. Second guide groove; 2. Driving gear; 21. Shaft hole; 3. First transmission member; 31. First rack; 32. Second rack; 33. First transmission arm; 4. Second transmission member; 41. Third rack; 42. Second transmission arm; 5. Transmission gear; 6. Protective housing. DETAILED DESCRIPTION

[0024] For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0025] In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0027] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0028] See also Figures 1 to 4The present embodiment discloses a door accessory, including a lock housing 1, a driving gear 2, a first transmission member 3, a second transmission member 4 and a transmission gear 5; the driving gear 2 is rotatably arranged on the lock housing 1, and the driving gear 2 is used to connect the driving shaft; the first transmission member 3 is used to connect the first locking block, and the side wall of the first transmission member 3 is provided with a first rack 31 and a second rack 32 extending along a first direction, the first rack 31 is meshed and connected to the driving gear 2, and the second rack 32 moves synchronously with the first rack 31; the second transmission member 4 is used to connect the second locking block, and the side wall of the second transmission member 4 is provided with a third rack 41 extending along the first direction; the transmission gear 5 is rotatably arranged on the lock housing 1, and the third rack 41 and the second rack 32 are relatively arranged and respectively meshed and connected to the two sides of the transmission gear 5.

[0029] A door accessory disclosed in this embodiment, the driving gear 2 rotates under the drive of the driving shaft, under the drive of the driving gear 2, the first rack 31 moves along the first direction, the second rack 32 follows the first rack 31 and moves synchronously along the first direction to drive the transmission gear 5 to rotate, under the drive of the transmission gear 5, the third rack 41 can move in the opposite direction relative to the second rack 32, so that the second transmission member 4 and the first transmission member 3 move in the opposite direction to each other and respectively drive the two locking blocks mentioned above to move, and the movement of the two locking blocks can realize the unlocking or locking of the door; in this way, the overall transmission structure of the door accessory is relatively simple, the transmission loss is small, the transmission efficiency is high, and the strokes of the third rack 41 and the second rack 32 are allowed to increase.

[0030] In this embodiment, the first direction is the up-down direction. Figure 3 The e1 direction in .

[0031] It should be noted that the first lock block is used to be set on the upper side of the door body, and the second lock block is used to be set on the lower side of the door body. The purpose of respectively setting the first lock block and the second lock block on the upper and lower sides of the door body is to improve the stability of the door body when it is locked. Specifically, in this embodiment, the second transmission member 4 and the first transmission member 3 move in opposite directions to each other to achieve the purpose of driving the upper first lock block and the lower second lock block to move simultaneously, thereby achieving the locking or unlocking of the door. More specifically, the first transmission member and the second transmission member can be, but are not limited to, respectively connected to the first lock block and the second lock block through a transmission rope or a transmission rod, which can be selected according to actual needs.

[0032] like Figure 1 and Figure 2As shown, preferably, in this embodiment, the first transmission member 3 is connected to the first transmission arm 33, the second transmission member 4 is connected to the second transmission arm 42, the lock housing 1 is provided with a first guide groove 14 and a second guide groove 15 both extending in the first direction, the first transmission arm 33 is slidably arranged in the first guide groove 14, and the second transmission arm 42 is slidably arranged in the second guide groove 15; the first transmission arm 33 is used for transmission connection with the first locking block, and the second transmission arm 42 is used for transmission connection with the second locking block, the first guide groove 14 can provide guidance for the installation and movement of the first transmission arm 33, and the second guide groove 15 can provide guidance for the installation and movement of the second transmission arm 42, so that the first transmission arm 33 and the second transmission arm 42 can drive the above-mentioned two locking blocks to move more stably and smoothly.

[0033] Specifically, in this embodiment, the first rack 31 , the second rack 32 and the third rack 41 are all slidably disposed relative to the housing.

[0034] like Figure 1 , Figure 2 and Figure 3 As shown, specifically, in this embodiment, an axial hole 21 is provided on the driving gear 2, and the axial hole 21 is used to connect the above-mentioned driving shaft; more specifically, in this embodiment, the axial hole 21 is a square hole, and the driving shaft is a square shaft, which can be inserted into the square hole, and rotating the square shaft can drive the driving gear 2 to rotate.

[0035] Preferably, in this embodiment, a mounting cavity 12 is provided in the lock housing 1, and a mounting groove 11 extending along the first direction is provided on the outer side wall of the lock housing 1, the driving gear 2 is rotatably disposed in the mounting cavity 12, the first rack 31 is disposed in the mounting groove 11 and can move relative to the mounting groove 11 along the first direction, the mounting cavity 12 and the mounting groove 11 are connected to allow the driving gear 2 and the first rack 31 to be meshed and connected, in this way, the mounting cavity 12 is used to provide a limit for the installation of the driving gear 2, and the mounting groove 11 is used to provide a limit for the installation of the first rack 31, so that the problem of installation misalignment between the driving gear 2 and the first rack 31 can be avoided.

[0036] like Figure 2 As shown, more preferably, in this embodiment, in order to prevent the first rack 31 from falling out of the mounting groove 11 and to improve the movement stability of the first rack 31, the lock housing 1 is further provided with anti-falling protrusions 13 on both sides of the mounting groove 11, and the two anti-falling protrusions 13 are respectively arranged adjacent to both sides of the first rack 31 in the thickness direction.

[0037] like Figure 2 , Figure 3 and Figure 4As shown, preferably, in this embodiment, the axial direction of the driving gear 2 and the axial direction of the transmission gear 5 are both perpendicular to the first direction, and the axial direction of the driving gear 2 and the axial direction of the transmission gear 5 are arranged at an angle, so that the first rack 31 and the second rack 32 can also be arranged at an angle, so that the first rack 31 and the second rack 32 can be arranged more compactly on the lock housing 1, thereby reducing the overall space occupied by the door accessories. More preferably, in this embodiment, the axial direction of the driving gear 2 and the axial direction of the transmission gear 5 are perpendicular to each other, so that the first rack 31 and the second rack 32 can also be perpendicular to each other, so that the overall structural arrangement of the door accessories can be further simplified, thereby improving the transmission stability and installation stability.

[0038] Preferably, in this embodiment, in order to improve the transmission stability to ensure the movement stability of the first transmission member 3 and the second transmission member 4, two second racks 32, three racks 41 and transmission gears 5 are provided, and the two transmission gears 5 are respectively located on both sides of the driving gear 2 in the first direction.

[0039] Preferably, in this embodiment, in order to improve structural strength and reduce production costs, the first rack 31 is integrally formed on the side wall of the first transmission member 3, the second rack 32 is integrally formed on the side wall of the first transmission member 3, and the third rack 41 is integrally formed on the side wall of the second transmission member 4.

[0040] It should be noted that, in some other embodiments, the first rack 31 and the second rack 32 can be fixed to the side wall of the first transmission member 3 by means of but not limited to screwing, pinning or welding, and the third rack 41 can be fixed to the side wall of the second transmission member 4 by means of but not limited to screwing, pinning or welding. It can be selected according to actual needs and is not limited here.

[0041] As shown Figure 3 and Figure 4 As shown, preferably, in this embodiment, the door accessory further includes a protective shell 6 , which is connected to the lock housing 1 and shields the transmission gear 5 , the first transmission member 3 and the second transmission member 4 .

[0042] In addition, the present embodiment also provides a lock structure, including the door accessories as described above, and also including a first locking block and a second locking block, the first locking block and the second locking block are spaced apart from each other, the first locking block is transmission-connected to the first transmission arm 33, and the second locking block is transmission-connected to the second transmission arm 42. The lock structure has all the advantages of the above-mentioned door accessories, which will not be repeated here.

[0043] In summary, the door accessory disclosed in the present invention and the lock structure including the door accessory can at least bring the following beneficial technical effects:

[0044] 1) The overall transmission structure of the door accessory is relatively simple, with low transmission loss and high transmission efficiency, and the strokes of the third rack 41 and the second rack 32 are allowed to be increased;

[0045] 2) The first guide groove 14 can provide guidance for the installation and movement of the first transmission arm 33, and the second guide groove 15 can provide guidance for the installation and movement of the second transmission arm 42, so that the first transmission arm 33 and the second transmission arm 42 can drive the two locking blocks to move more stably and smoothly;

[0046] 3) The installation cavity 12 is used to provide a limit for the installation of the driving gear 2, and the installation groove 11 is used to provide a limit for the installation of the first rack 31, so as to avoid the problem of installation misalignment between the driving gear 2 and the first rack 31;

[0047] 4) The axial direction of the driving gear 2 and the axial direction of the transmission gear 5 are both perpendicular to the first direction, and the axial direction of the driving gear 2 and the axial direction of the transmission gear 5 are perpendicular to each other, so that the arrangement of the first rack 31 and the second rack 32 on the lock housing 1 is more compact, thereby reducing the overall space occupied by the door accessories.

[0048] The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims

1. Door accessories, characterized in that, include: Lock housing (1); A driving gear (2) rotatably mounted on the lock housing (1), the driving gear (2) being used to connect to a driving shaft; A first transmission member (3) is used for transmission connection with the first locking block, the first transmission member (3) is provided with a first rack (31) and a second rack (32) extending along a first direction, the first rack (31) is meshedly connected to the driving gear (2), and the second rack (32) moves synchronously with the first rack (31); A second transmission member (4) is used for transmission connection with the second locking block, and the second transmission member (4) is provided with a third rack (41) extending along the first direction; The transmission gear (5), the third rack (41) and the second rack (32) are arranged opposite to each other and are respectively meshed and connected to two sides of the transmission gear (5).

2. The door accessory according to claim 1, characterized in that: The outer side wall of the lock housing (1) is provided with a mounting groove (11) extending along the first direction, and the first rack (31) is arranged in the mounting groove (11) and can move relative to the mounting groove (11).

3. The door accessory according to claim 2, characterized in that: The lock housing (1) is also provided with anti-dropout protrusions (13) on both sides of the installation groove (11), and the two anti-dropout protrusions (13) are respectively arranged adjacent to both sides of the first rack (31) in the thickness direction.

4. The door accessory according to any one of claims 1 to 3, characterized in that: The axial direction of the driving gear (2) and the axial direction of the transmission gear (5) are both perpendicular to the first direction, and the axial direction of the driving gear (2) and the axial direction of the transmission gear (5) are arranged at an angle.

5. The door accessory according to claim 4, characterized in that: The axial direction of the driving gear (2) and the axial direction of the transmission gear (5) are perpendicular to each other.

6. The door accessory according to claim 1 or 2 or 3 or 5, characterized in that: The second rack (32), the third rack (41) and the transmission gear (5) are provided in two pieces, and the two transmission gears (5) are respectively located on both sides of the driving gear (2) in the first direction.

7. The door accessory according to claim 1, characterized in that: The first transmission member (3) is connected to a first transmission arm (33), the second transmission member (4) is connected to a second transmission arm (42), the lock housing (1) is provided with a first guide groove (14) and a second guide groove (15) both extending along the first direction, the first transmission arm (33) is slidably arranged in the first guide groove (14), and the second transmission arm (42) is slidably arranged in the second guide groove (15).

8. The door accessory according to claim 1, characterized in that: The first rack (31) is integrally formed on a side wall of the first transmission member (3), and / or the second rack (32) is integrally formed on a side wall of the first transmission member (3).

9. The door accessory according to claim 1, characterized in that: The third rack (41) is integrally formed on the side wall of the second transmission member (4).

10. The lock structure is characterized in that: The invention comprises the door accessory according to any one of claims 1 to 9.

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